   Chapter 8, Problem 13T Mathematical Excursions (MindTap C...

4th Edition
Richard N. Aufmann + 3 others
ISBN: 9781305965584

Solutions

Chapter
Section Mathematical Excursions (MindTap C...

4th Edition
Richard N. Aufmann + 3 others
ISBN: 9781305965584
Textbook Problem

Credit Card Numbers Determine whether the credit card number 4232-8180-5736-4876 is a valid number.

To determine

Whether the given credit card number is valid.

Explanation

Given:

Credit card number 4232-8180-5736-4876

Calculation:

4232-8180-5736-4876

From right to left, multiply the digits by 2 which are in the even place.

8 2 6 2 16 1 16 0 10 7 6 6 8 8 14 6

Now, add all the digits.

8 +2+ 6+ 2 +(1+6)+ 1+ (1+6)+0+(1+0)+ 7+ 6+ 6+ 8+ 8+ (1+4)+ 6=80

80

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